Non conservation of the magnetization current across magnetic hetero-structures
S. T. Chui, Z. F. Lin
Abstract
We show that when the magnetizations on opposite sides of a junction are not collinear, the magnetization current is not conserved as the junction is crossed. Thus the usual treatment of this problem needs to be modified. We argue that this is due to an implicit assumption of an external torque that is required to clamp the magnetization in place. The physical consequence of this is explored.
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